<template>
    <el-menu 
    default-active="1-4-1"
     class="el-menu-vertical-demo" 
     @open="handleOpen" 
     @close="handleClose" 
     background-color="#545c64"
     text-color="#fff"
     active-text-color="#ffd04b"
     :collapse="isCollapse">
     
      
      
        <h3>{{isCollapse? 'AI':'AI绘画系统'}}</h3>
        
        <el-menu-item @click="clickMenu(item)" v-for="item in noChildren" :key="item.name" :index="item.name">

            <i :class="`el-icon-${item.icon}`"></i>
            <span slot="title">{{ item.label }}</span>
        </el-menu-item>
        <el-submenu v-for="item in hasChildren" :key="item.label" :index="item.label">
            <template slot="title">
                <i :class="`el-icon-${item.icon}`"></i>
                <span slot="title">{{ item.label }}</span>
            </template>
            <el-menu-item-group v-for="subItem in item.children" :key="subItem.path">
                <el-menu-item @click="clickMenu(subItem)" :index="subItem.path">{{ subItem.label }}</el-menu-item>
            </el-menu-item-group>
        </el-submenu>


    </el-menu>
</template>


<style lang="less" scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
    width: 200px;
    min-height: 400px;
}
.el-menu {
    height: 100vh;
    border-right: none;
    h3 {
        color: #fff;
        text-align: center;
        line-height: 48px;
        font-size: 16px;
        font-weight: 400;
    }
}
</style>

<script>
export default {
    data() {
        return {
            
            menuData: [
                {
                    path: "/",
                    name: "home",
                    label: "首页",
                    icon: "s-home",
                    url: "Home/Home",
                },
                {
                    path: "/mall",
                    name: "mall",
                    label: "AI绘画介绍",
                    icon: "video-play",
                    url: "MallManage/MallManage",
                },
                {
                    path: "/user",
                    name: "user",
                    label: "用户管理",
                    icon: "user",
                    url: "UserManage/UserManage",
                },
                {
                    label: "AI",
                    icon: "location",
                    children: [
                        {
                            path: "/page1",
                            name: "page1",
                            label: "AI绘画",
                            icon: "setting",
                            url: "Other/PageOne",
                        },
                        {
                            path: "/page2",
                            name: "page2",
                            label: "图片展示",
                            icon: "setting",
                            url: "Other/PageTwo",
                        },
                    ],
                },
            ]
        };
    },
    methods: {
        handleOpen(key, keyPath) {
            console.log(key, keyPath);
        },
        handleClose(key, keyPath) {
            console.log(key, keyPath);
        },
        clickMenu(item){
            if(this.$route.path !== item.path && !(this.$route.path === '/home' && (item.path === '/'))){
                this.$router.push(item.path)
            }
            this.$store.commit('selectMenu',item)
            
        }
        
    
    },
    computed: {
        // 没有子菜单
        noChildren() {
            return this.menuData.filter(item => !item.children)
        },
        // 有子菜单
        hasChildren() {
            return this.menuData.filter(item => item.children)
        },
        isCollapse(){
            return this.$store.state.tab.isCollapse
        }
    }
}
</script>
